<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>demo 2-17</title>
	</head>
	<body>
	</body>
	<script>
		//基本用法
		let[x,y] = [1,2];
		console.log(x,y);
		//剩余运算符
		let a,b,rest;
		[a,b,...rest] = [1,2,3,4,5,6];
		console.log(a,b,rest);
		//可忽略
		let[a, ,b] = [1,2,3]
		console.log(a,b);
		//不完全解构
		let[a,b] = [1];
		console.log(a,b);
		//解构默认值
		let [a,b = 2] = [1];
		console.log(a,b);
		//对字符串进行解构赋值
		let[a,b,c,d,e] = "hello";
		console.log(a,b,c,d,e);
	</script>
</html>